Table 3 Association between patient characteristics and type of axillary evaluation in mastectomy patients
From: DCIS and axillary nodal evaluation: compliance with national guidelines
Variable | ALND | SLNB | p-Value | |
|---|---|---|---|---|
Year of Diagnosis | 1998 | 557(67.3%) | 271(32.7%) | <0.01 |
1999 | 508(61.9%) | 313(38.1%) | ||
2000 | 442(52.7%) | 396(47.3%) | ||
2001 | 416(46.4%) | 480(53.6%) | ||
2002 | 374(41.8%) | 521(58.2%) | ||
2003 | 361(31.5%) | 785(68.5%) | ||
2004 | 356(29.6%) | 847(70.4%) | ||
2005 | 405(30.1%) | 940(69.9%) | ||
2006 | 361(23.4%) | 1183(76.6%) | ||
2007 | 477(24.6%) | 1462(75.4%) | ||
2008 | 775(22.3%) | 2696(77.7%) | ||
2009 | 873(21.1%) | 3269(78.9%) | ||
2010 | 804(19.4%) | 3347(80.6%) | ||
2011 | 746(17.4%) | 3540(82.6%) | ||
Race | Black | 1103(35.1%) | 2041(64.9%) | <0.01 |
White | 5978(26.4%) | 16704(73.6%) | ||
Other | 293(21.9%) | 1042(78.1%) | ||
Age | 18–46 | 1784(25.2%) | 5305(74.8%) | <0.01 |
47–55 | 1828(24.6%) | 5612(75.4%) | ||
56–65 | 1747(26.7%) | 4802(73.3%) | ||
>65 | 2096(32.6%) | 4331(67.4%) | ||
Facility Type | Community Cancer Program | 710(32.6%) | 1465(67.4%) | <0.01 |
Comprehensive Community Cancer Program | 4527(26.8%) | 12346(73.2%) | ||
Academic/Research Program | 2218(26.2%) | 6239(73.8%) | ||
Facility Location | Midwest | 1715(25.4%) | 5027(74.6%) | <0.01 |
Northeast | 1415(26.9%) | 3852(73.1%) | ||
South | 3176(29.8%) | 7466(70.2%) | ||
West | 1149(23.7%) | 3705(76.3%) | ||
Primary Site | Nipple areolar | 83(37.2%) | 140(62.8%) | <0.01 |
Central | 474(26.8%) | 1292(73.2%) | ||
Upper inner | 473(25.1%) | 1410(74.9%) | ||
Lower inner | 420(25.1%) | 1252(74.9%) | ||
Upper outer | 2167(28.9%) | 5336(71.1%) | ||
Lower outer | 477(25.6%) | 1384(74.4%) | ||
Axillary tail | 7(22.6%) | 24(77.4%) | ||
Overlapping lesion | 1559(25.5%) | 4554(74.5%) | ||
NOS | 1795(27.8%) | 4658(72.2%) | ||
Tumor size | ≤1 cm | 1241(25.2%) | 3680(74.8%) | 0.01 |
>1 cm, ≤2 cm | 1415(24.2%) | 4431(75.8%) | ||
>2 cm, ≤3 cm | 411(23.3%) | 1351(76.7%) | ||
>3 cm, ≤4 cm | 326(23.7%) | 1050(76.3%) | ||
>4 cm, ≤5 cm | 285(24.2%) | 893(75.8%) | ||
>5 cm | 693(27.4%) | 1833(72.6%) |